Is 64 tick not enough? Our servers are running 128 tick which means that the server update 128 times per second - twice as many times as a 64 tick server.
Does a plugin require access to a SQL database? When ordering your server, you get access to a MySQL database which you can control with phpMyAdmin.
No need to download maps to get them on your server - create an Workshop Collection with your maps and add them to your command line!